Anthony Horowitz
- Birthday: 1955-04-05
- Place of birth: Stanmore, Middlesex, England, UK
- Also know as: 앤서니 호로위츠
Anthony Horowitz, OBE is an English novelist and screenwriter specialising in mystery and suspense. His work for young adult readers includes The Diamond Brothers series, the Alex Rider series, and The Power of Five series.
